| 2025 | Wisconsin Alumni Research Foundation | 990 | Trustee | 2 | $27,000 | $0 | View return |
| 2024 | Wisconsin Alumni Research Foundation | 990 | Trustee, Chair | 4 | $33,000 | $0 | View return |
| 2024 | Berbeewaish Foundation Inc. | 990PF | Director, President, Treas | 0.1 | $0 | $0 | View return |
| 2023 | Wisconsin Alumni Research Foundation | 990 | Trustee, Chair | 4 | $30,000 | $0 | View return |
| 2023 | Technology Education Foundation Inc | 990 | President | 0.5 | $0 | $0 | View return |
| 2023 | Tonka Recreation Association | 990 | Director | 25 | $0 | $0 | View return |
| 2023 | Berbeewaish Foundation Inc. | 990PF | Director, President, Treas | 0.1 | $0 | $0 | View return |
| 2022 | Wisconsin Alumni Research Foundation | 990 | Trustee, Chair | 4 | $30,000 | $0 | View return |
| 2022 | Tonka Recreation Association | 990 | Director | 25 | $0 | $0 | View return |
| 2022 | Berbeewaish Foundation Inc. | 990PF | Director, President, Treas | 0.1 | $0 | $0 | View return |
| 2022 | Technology Education Foundation Inc | 990 | President | 0.5 | $0 | $0 | View return |
| 2021 | Wisconsin Alumni Research Foundation | 990 | Trustee, Chair | 4 | $33,000 | $0 | View return |
| 2021 | Technology Education Foundation Inc | 990 | President | 0.5 | $0 | $0 | View return |
| 2021 | Tonka Recreation Association | 990 | Director | 25 | $0 | $0 | View return |
| 2021 | Berbeewaish Foundation Inc. | 990PF | Director, President, Treas | 0.1 | $0 | $0 | View return |
| 2020 | Wisconsin Alumni Research Foundation | 990 | Trustee, Chair | 4 | $36,000 | $0 | View return |
| 2020 | Wicell Research Institute Inc. | 990 | Director - Until 1/2/2020 | 1 | $0 | $36,000 | View return |
| 2020 | Technology Education Foundation Inc | 990 | President | 0.5 | $0 | $0 | View return |
| 2020 | Berbeewaish Foundation Inc. | 990PF | Director, President, Treas | 0.1 | $0 | $0 | View return |
| 2020 | Tonka Recreation Association | 990 | Director | 25 | $0 | $0 | View return |
| 2019 | Wisconsin Alumni Research Foundation | 990 | Trustee/Chair | 4 | $30,000 | $5,000 | View return |
| 2019 | Wicell Research Institute Inc. | 990 | Director | 1 | $0 | $35,000 | View return |
| 2019 | Berbeewaish Foundation Inc. | 990PF | Director, President, Treas | 0.1 | $0 | $0 | View return |
| 2019 | Technology Education Foundation Inc | 990 | President | 0.5 | $0 | $0 | View return |
| 2018 | Wisconsin Alumni Research Foundation | 990 | Trustee/Vice Chair | 4 | $27,000 | $16,000 | View return |
| 2018 | Wicell Research Institute Inc. | 990 | Director | 1 | $1,000 | $42,000 | View return |
| 2018 | Berbeewaish Foundation Inc. | 990PF | Director, President, Treas | 0.1 | $0 | $0 | View return |
| 2018 | Technology Education Foundation Inc | 990 | President | 0.5 | $0 | $0 | View return |
| 2017 | Wisconsin Alumni Research Foundation | 990 | Trustee/Vice Chair | 4 | $36,000 | $16,500 | View return |
| 2017 | Technology Education Foundation Inc | 990 | President | 0.5 | $0 | $0 | View return |
| 2016 | Wisconsin Alumni Research Foundation | 990 | Vice Chair/Trustee | 4 | $15,000 | $21,500 | View return |
| 2016 | Technology Education Foundation Inc | 990 | President | 0.5 | $0 | $0 | View return |
| 2015 | Wisconsin Alumni Research Foundation | 990 | Vice Chair/Trustee | 3 | $15,000 | $10,000 | View return |
| 2014 | Wisconsin Alumni Research Foundation | 990 | Trustee | 2 | $10,000 | $0 | View return |
| 2014 | Technology Education Foundation Inc | 990 | President | 0.5 | $0 | $0 | View return |
| 2013 | Technology Education Foundation Inc | 990 | President | 0.5 | $0 | $0 | View return |